Birdsall, N. (1990). Efficiency and equity in social spending: How and why government misbehave. Population and Human Resources Department, World Bank.
Citazione stile Chigago Style (17a edizione)Birdsall, Nancy. Efficiency and Equity in Social Spending: How and Why Government Misbehave. Washington, D.C: Population and Human Resources Department, World Bank, 1990.
Citatione MLA (9a ed.)Birdsall, Nancy. Efficiency and Equity in Social Spending: How and Why Government Misbehave. Population and Human Resources Department, World Bank, 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.